看岁肢前面的提示是appium初始化安装三件套apk的时候出错了。错误是
install failed already exists
appium给出的修复建议是
attemp to re-install xxx.apk without first uninstalling
先尝试搜知手动安装世雀消那几个默认的apk：比如unlock apk，路径提示上面都有。看是否能成功安装。然后都卸载掉，重新启动appium
